View source for Solubility rules of ionic compounds in water

The following table summarizes the solubility ionic compounds in water formed with these common anions . Use this as a guide to predict products of chemical reactions for double-replacement reactions. 

{|width="500"| border=1 cellpadding=5
!Anions
!Soluble
!Insoluble
|-
!Nitrates, NO<sub>3</sub><sup>-</sup> 	
|align="center"|ALL
|align="center"|-
|-
!Acetates, C<sub>2</sub>H<sub>3</sub>O<sub>2</sub><sup>-</sup> 	
|align="center"|ALL
|align="center"|-
|-
!Chlorides, Cl<sup>-</sup>	
|align="center"|ALL, except ...
|align="center"|AgCl, Hg<sub>2</sub>Cl<sub>2</sub>, PbCl<sub>2</sub>
|-
!Sulfates, SO<sub>4</sub><sup>2-</sup> 	
|align="center"|ALL*, except ...
|align="center"|BaSO<sub>4</sub>, SrSO<sub>4</sub>, PbSO<sub>4</sub>
|-
!Salts of group IA 	
|align="center"|ALL
|align="center"|-
|-
!Salts of ammonium, NH<sub>4</sub><sup>+</sup>	
|align="center"|ALL
|align="center"|-
|-
!Acids 	
|align="center"|ALL
|align="center"|-
|-
!Oxides, O<sup>2-</sup>
|align="center"|Group IA,<br/> Group IIA (Ca, Sr, Ba) 	
|align="center"|ALL
|-
!Hydroxides, OH<sup>-</sup> 
|align="center"|Group IA,<br/> Group IIA (Ca<sup>*</sup>, Sr, Ba) 	
|align="center"|ALL
|-
!Sulfides, S<sup>2-</sup> 
|align="center"|Group IA,<br/> Group IIA,<br/> (NH<sub>4</sub>)<sub>2</sub>S	
|align="center"|ALL
|-
!Phosphates, PO<sub>4</sub><sup>3-</sup> 
|align="center"|Group IA,<br/> (NH<sub>4</sub>)<sub>3</sub>PO<sub>4</sub>	
|align="center"|ALL
|-
!Carbonates, CO<sub>3</sub><sup>2-</sup>
|align="center"|Group IA,<br/> (NH<sub>4</sub>)<sub>2</sub>CO<sub>3</sub>	
|align="center"|ALL
|}
<sup>*</sup>Ca(OH)<sub>2</sub>, CaSO<sub>4</sub> are moderately soluble.


==Content suitability==
BCIT courses:
<span class="pops">[http://www.bcit.ca/study/outlines/chem0011  CHEM 0011]</span>