1楼的没配平,也有错误.
2NaOH+Ca(HCO3)2 === CaCO3↓+Na2CO3+2H2O (NaOH过量)
NaOH+Ca(HCO3)2 === CaCO3↓+NaHCO3+H2O (Ca(HCO3)2过量)
NaHCO3+NaOH === Na2CO3+H2O
NaHCO3+Ca(OH)2 === CaCO3 ↓+NaOH+H2O (Ca(OH)2过量)或
2NaHCO3+Ca(OH)2 === CaCO3 ↓+Na2CO3+2H2O (NaHCO3过量)
HSO4-有酸性,可以和碱反应.
2楼的也不对.HCO3-可以弱电离出H+,因此可以和OH-反应生成H2O.