Group 1 - Alkali metals
The alkali metals are found in group 1 of the periodic table
They have similar properties and they are all shiny, soft, highly reactive metals.
Alkali metals with water
You may of have seen the video of alkali metals reacting with water see Brainiac science abuse
However, this video was made for entertainment purposes and although fun to watch it's not entirely accurate as they exaggerated some of the reactions.
So for an accurate representation please see the video below