Question

Write the reaction of Sodium and Magnesium with i) Oxygen ii) with water

Answer 1

Sodium with air and water reaction:

Na+$O_2$ ---------->$Na_2O$+Heat

Na+$H_2O$ ---------->NaOH+$H_2$+heat

Magnesium with air and water reaction:

Mg+$O_2$ ---------->MgO

Mg+$H_2O$ ---------->Mg$(OH)_2$