NaOH + SO₃ → NaHSO₄
2KOH + MgSO₄ → Mg(OH)₂↓ + K₂SO₄
Ba(OH)₂ + 2HCI → BaCl₂ + 2H₂O
Cu(OH)₂ (t°) → CuO + H₂O
NaOH + SO₃ → NaHSO₄
2KOH + MgSO₄ → Mg(OH)₂↓ + K₂SO₄
Ba(OH)₂ + 2HCI → BaCl₂ + 2H₂O
Cu(OH)₂ (t°) → CuO + H₂O