Strong Bases include:

• all alkali metal (Group IA) hydroxides
  1. NaOH, sodium hydroxide
  2. LiOH, lithium hydroxide
  3. KOH, potassium hydroxide
  4. RbOH, rubidium hydroxide
  5. CsOH, cesium hydroxide
• three alkaline earth metal (Group IIA) hydroxides.
  1. Ca(OH)₂, calcium hydroxide
  2. Sr(OH)₂, strontium hydroxide
  3. Ba(OH)₂, barium hydroxide