Счем взаимодействует уксусная кислота?

1)Mg+2CH3COOH-->(CH3COO)2Mg+H2;
2)MgO+2CH3COOH-->(CH3COO)2Mg+H2O;
3)Mg(OH)2+2CH3COOH-->(CH3COO)2Mg+2H2O;
4)MgCO3+2CH3COOH-->(CH3COO)2Mg+H2O+CO2;
5)CH3COOH+C2H5OH-->CH3-CO-OC2H5+H2O;
6)CH3COOH+Cl2-->CH2Cl-COOH+HCl.