Cu(OH)₂ + 2HCl = CuCl₂ + 2H₂O
Cu(OH)₂ + 2H⁺ + 2Cl⁻ = Cu²⁺ + 2Cl⁻ + 2H₂O
Cu(OH)₂ + 2H⁺ = Cu²⁺ + 2H₂O
В.