CaO + H₂O → Ca(OH)₂
BaO + 2HNO₃ → Ba(NO₃)₂ + H₂O
Ca(OH)₂ + 2CO₂(изб) → Ca(HCO₃)₂
Sr(OH)₂ + 2HCl → SrCl₂ + 2H₂O
3Ba(OH)₂ + 2FeCl₃ → 2Fe(OH)₃ + 3BaCl₂
CaO + H₂O → Ca(OH)₂
BaO + 2HNO₃ → Ba(NO₃)₂ + H₂O
Ca(OH)₂ + 2CO₂(изб) → Ca(HCO₃)₂
Sr(OH)₂ + 2HCl → SrCl₂ + 2H₂O
3Ba(OH)₂ + 2FeCl₃ → 2Fe(OH)₃ + 3BaCl₂