reactions with water

• • Group 1 metals are nicknamed the alkali metals as they react with water to produce alkalis, with a pH greater than 7.
  • They react violently with water, the reactivity of the metals increases down group 1.
• • Group 2 metals are nicknamed the alkali earth metals as they react with water to produce alkalis, with a pH greater than 7
  • The reactivity of the metals increases down group 2.
  • Magnesium is the only metal that reacts with steam to form magnesium oxide: