Oxygen is very reactive and can react with the majority of other elements; also oxygen react with all organic compounds etc.
When you combine one Oxygen and one Hydrogen you get Hydroxide. If you combine one Oxygen with two hydrogens you will end up with water.
Many chemical elements combine with oxygen; the reaction with oxygen is called oxydation.
When hydrogen and oxygen combine to form water, water is a product of the reaction.
Pure gold is a noble metal and does not combine readily with anything. It is inert in an oxygen atmosphere and will not burn.
Covalent
The compound oxygen and hydrogen can combine explosively to form water.
minerals
water
Yes
we can combine any other element or even an compound witw it like hydrogen+oxygen=water
combine Tim and Jacob
Calcium, Oxygen and Carbon