Name the first three alkaline earth metals.
Write their reactions with dil. hydrochloride acid.
Beryllium, Magnesium and Calcium are the first three alkaline earth metals.
Their reactions with dil. hydrochloride acid are-
$$Be+2HCl\to BeCl_2+H_2$$
$$Mg+2HCl \to MgCl_2+H_2$$
$$Ca+2HCl \to CaCl_2+H_2$$