1) Ca + Mg -> CaMgCa + H2O -> CaO + H2Ca + Na2CO3 -> CaCO3 + 2NaCa + CO2 -> CaCO3
2) Ca + Br2 -> CaBr2Ca + CaCO3 -> 2CaO + CO2Ca + Na2O -> CaO + 2NaCa + NO3 -> No reaction
3) Ca + H2 -> CaH2Ca + KOH -> Ca(OH)2 + H2Ca + CO2 -> CaCO3
4) Ca + O2 -> CaOCa + HCl -> CaCl2 + H2Ca + N2 -> Ca3N2Ca + Br2 -> CaBr2
1) Ca + Mg -> CaMg
Ca + H2O -> CaO + H2
Ca + Na2CO3 -> CaCO3 + 2Na
Ca + CO2 -> CaCO3
2) Ca + Br2 -> CaBr2
Ca + CaCO3 -> 2CaO + CO2
Ca + Na2O -> CaO + 2Na
Ca + NO3 -> No reaction
3) Ca + H2 -> CaH2
Ca + KOH -> Ca(OH)2 + H2
Ca + CO2 -> CaCO3
4) Ca + O2 -> CaO
Ca + HCl -> CaCl2 + H2
Ca + N2 -> Ca3N2
Ca + Br2 -> CaBr2