Under what conditions metals like i) sodium ii) calcium iii) iron reacts with waterwrite chemical reactions

Under what conditions metals like i) sodium ii) calcium iii) iron re

1.	Under what conditions metals like i) sodium ii) calcium iii) iron reacts with waterwrite chemical reactions
Answer» TION:sodium and calcium can REACT even with COLD water whereas iron only REACTS with steameg: Fe+H2O-Fe3O4+H2