Write balanced chemical equation for the following word equation:

Magnesium $+$ Oxygen $\to$Magnesium oxide

Write balanced chemical equation for the following word equation:

Calcium oxide $+$ Water $\to$Calcium hydroxide

Write balanced chemical equation for the following word equation:

Sodium $+$ Chlorine $\to$Sodium chloride

What information do you get from the following chemical equation?

$\mathrm{Zn}\left(\mathrm{s}\right)+2\mathrm{HCl}\left(\mathrm{dil}\right)\to {\mathrm{ZnCl}}_2\left(\mathrm{aq}\right)+{\mathrm{H}}_2\left(\mathrm{g}\right)$