碱+酸=盐+水HCL+NaOH=NaCL+H2O 2HCL+Ca(OH)2=CaCL2+H2O碱（可溶）+非金属氧化物=盐+水2NaOH+CO2=Na2CO3+H2O 2NaOH+SO2=NA2SO3(亚硫酸钠)+H2O碱（可溶）+盐（可溶）=新碱+盐（有生成沉淀）Ca（OH)2+Na2CO3=2NaOH+CaCO3↓酸+金属（金属活动性排在H前面）=盐+氢气Hcl+Fe=FeCL2+H2↑酸+金属氧化物=盐+水2HCL+CuO=CuCL2+H2O 锌与稀硫酸Zn + H2SO4 = ZnSO4 + H2↑铁和稀硫酸Fe + H2SO4 = FeSO4 + H2↑镁和稀硫酸Mg + H2SO4 = MgSO4 + H2↑铝和稀硫酸2Al +3H2SO4 = Al2(SO4)3 +3H2↑锌和稀盐酸Zn + 2HCl === ZnCl2 + H2↑铁和稀盐酸Fe + 2HCl === FeCl2 + H2↑镁和稀盐酸Mg+ 2HCl === MgCl2 + H2↑铝和稀盐酸2Al + 6HCl== 2AlCl3 + 3H2↑2NaOH + CO2 ==== Na2CO3 + H2O2NaOH + SO2 ==== Na2SO3 + H2O2NaOH + SO3 ==== Na2SO4 + H2OCa(OH)2 + CO2 ==== CaCO3 ↓+ H2OCa(OH)2 + SO2 ==== CaSO3 ↓+ H2OHCl + NaOH ==== NaCl +H2OHCl + KOH ==== KCl +H2O2HCl + Cu(OH)2 ==== CuCl2 + 2H2O 2HCl + Ca(OH)2 ==== CaCl2 + 2H2O3HCl + Fe(OH)3 ==== FeCl3 + 3H2O3HCl + Al(OH)3 ==== AlCl3 + 3H2OH2SO4 + 2NaOH ==== Na2SO4 + 2H2OH2SO4 + 2KOH ==== K2SO4 + 2H2OH2SO4 + Cu(OH)2 ==== CuSO4 + 2H2O3H2SO4 + 2Fe(OH)3==== Fe2(SO4)3 + 6H2OHNO3+ NaOH ==== NaNO3 +H2OCaCO3 + 2HCl === CaCl2 + H2O + CO2↑Na2CO3 + 2HCl === 2NaCl + H2O + CO2↑MgCO3 + 2HCl === MgCl2 + H2O + CO2↑HCl + AgNO3 === AgCl↓ + HNO3 Na2CO3 + H2SO4 === Na2SO4 + H2O + CO2↑H2SO4 + BaCl2 ==== BaSO4 ↓+ 2HCl2NaOH + CuSO4 ==== Cu(OH)2↓ + Na2SO43NaOH + FeCl3 ==== Fe(OH)3↓ + 3NaCl2NaOH + MgCl2 ==== Mg(OH)2↓ + 2NaCl2NaOH + CuCl2 ==== Cu(OH)2↓ + 2NaClCa(OH)2 + Na2CO3 === CaCO3↓+ 2NaOHNaCl + AgNO3 ==== AgCl↓ + NaNO3Na2SO4 + BaCl2 ==== BaSO4↓ + 2NaCl。