Hcl>nacl>nano5 cuso4>cu cl2> c4(oh)2
HCl + NaOH = NaCl + H₂O NaCl + AgNO₃ = NaNO₃ + AgCl↓ CuSO₄ + BaCl₂ = CuCl₂ + BaSO₄↓ CuCl₂ + 2NaOH = Cu(OH)₂↓ + 2NaCl