Li₂O + H₂O → 2LiOH
CaO + 2HNO₃ → H₂O + Ca(NO₃)₂
MgO + CO₂ → MgCO₃
Al₂O₃ + 6HCl → 3H₂O + 2AlCl₃
CuCO₃ → CuO + CO₂
2Cr(OH)₃ → Cr₂O₃ + 3H₂O
Fe₂O₃ + 3C → 2Fe + 3CO
Li₂O + H₂O → 2LiOH
CaO + 2HNO₃ → H₂O + Ca(NO₃)₂
MgO + CO₂ → MgCO₃
Al₂O₃ + 6HCl → 3H₂O + 2AlCl₃
CuCO₃ → CuO + CO₂
2Cr(OH)₃ → Cr₂O₃ + 3H₂O
Fe₂O₃ + 3C → 2Fe + 3CO