All the elements of group 2 react with water to form metal hydroxide and hydrogen, except the element
All the elements of group 2 react with water to form metal hydroxide and hydrogen, except the element
Barium
Calcium
Magnesium
Beryllium
Solution
Beryllium $(\mathrm{Be})$ is the only alkaline earth metal that does not react with water. This is due to its small size and high ionization energy in relation to the other elements in the group.