Question

Write balanced equation for the reaction of sodium, potassium and calciumin cold water

Answer 1

1. 2K + 2H2O -------> 2KOH +H2
2. 2Na + 2H2O -------> 2NaOH +H2
3. Ca + 2H2O ---------> Ca(OH)2 +H2

HOPE IT HELPS!