Can you trade Pokemon from 7th gen (Sun/Moon) to 6th gen (XY, ORAS) and back? [duplicate]

According to this image:

Pokemon Bank will receive an update for compatibility with Pokemon Sun/Moon in January 2017, but you will be able to trade Pokemon from 6th gen to 7th gen only, and not back.

As you can read in the white box:

Pokemon not sent to Sun/Moon can continue to be used in X/Y or OR/AS.

Source from Pokemon official site.

If you mean a direct trade, then NO.
According to this video and IGN:

Pokemon Sun and Moon are not compatible with the Generation 6 series of games: Pokemon X and Y; and Pokemon Omega Ruby and Alpha Sapphire. You won't be able to trade or battle between these games and Pokemon Sun and Moon, therefore you'll need a special app called the Pokemon Bank to transfer your Pokemon.