1. CaO + H2O = Ca(OH)2
2. Ca(OH)2 + CO2 = CaCO2 + H2O
3. K2O + H2SO4 = K2SO4 + H2O
4. Li2O + HNO3 = LiNO3 + H2O
5. SO2 + NaOH = Na2SO3 + H2O
6. SO3 + KOH = K2SO4 + H2O
1. CaO + H2O = Ca(OH)2
2. Ca(OH)2 + CO2 = CaCO2 + H2O
3. K2O + H2SO4 = K2SO4 + H2O
4. Li2O + HNO3 = LiNO3 + H2O
5. SO2 + NaOH = Na2SO3 + H2O
6. SO3 + KOH = K2SO4 + H2O