There are two ways you could say this. The more natural manner is "en la mesa" for example, "el gato es en la mesa" - the cat is on the table. You could also say "encima de la mesa" for example "el gato es encima de la mesa".
To say 'I have a table' in Spanish, you would say 'Tengo una mesa.'
To say the table is right there in spanish its: "La mesa está allí"
the table= la mesa
The Spanish word for trays is bandejas. Table trays would be bandejas de mesa.
bela mesa
"en la mesa"
mesa de oro
Uvas de mesa
The term for "table tennis" is el tenis de mesa, but Spanish uses ping pong as English does.
Cubiertos (at the table)Platería (to work with silver)
esta es una mesa bonita
Mesa de comedor. ("mesa" means table and "comedor" means dinning room.)