Ba + Cl₂ = BaCl₂ BaSO₄ + 2HCl = BaCl₂ + H₂SO₄ BaO + 2HCl = BaCl₂ + H₂O CuCl₂ + Ba = BaCl₂ + Cu BaSO₃ + 2HCl = BaCl₂ + H₂O + SO₂ BaCO₃ + 2HCl = BaCl₂ + H₂O + CO₂ BaBr₂ + 2HCl = BaCl₂ + HBr Ba(OH)₂+ 2HCl = BaCl₂ + 2H₂O Ba(OH)₂ + MgCl₂ = BaCl₂ + Mg(OH)₂ Ba(OH)₂ + ZnCl₂ = BaCl₂ + Zn(OH)₂