Ca(OH)₂ + N₂O₃ = Ca(NO₂)₂ + H₂O
Ca(OH)₂ + 2HNO₃ = Ca(NO₃)₂ + 2H₂O
Ca²⁺+2OH⁻ + 2H⁺+2NO₃⁻ = Ca²⁺ + 2NO₃⁻ + 2H₂O
2OH⁻ + 2H⁺ = 2H₂O
H⁺ + OH⁻ = H₂O
Ca(OH)₂ + CuCl₂ = Cu(OH)₂↓ + CaCl₂
Ca²⁺ + 2OH⁻ + Cu²⁺ + 2Cl⁻ = Cu(OH)₂ + Ca²⁺ + 2Cl⁻
Cu²⁺ + 2OH⁻ = Cu(OH)₂
Ca(OH)₂ + ZnSO₄ = CaSO₄ + Zn(OH)₂↓
Ca²⁺ + 2OH⁻ + Zn²⁺ + SO₄²⁻ = CaSO₄ + Zn(OH)₂
Ca(OH)₂ + 2NH₄NO₂ = Ca(NO₂)₂ + 2NH₃↑ + 2H₂O
Ca²⁺ + 2OH⁻ +2NH₄⁺ + 2NO₂⁻ = Ca²⁺ + 2NO₂⁻ + 2NH₃ + 2H₂O
2NH₄⁺ + 2OH⁻ = 2NH₃ + 2H₂O
NH₄⁺ + OH⁻ = NH₃ + H₂O