The 23-year-old is expected to sign a five-year contract.
The Toffees have already strengthened this summer with the arrivals of Richarlison and Lucas Digne. Both sides have reached a deal and it will shortly be made official.
The 25-year-old has won 14 caps for Brazil and arrives at Goodison Park before the close of the transfer window.
New York City puts the brakes on Uber, Lyft
Other bills set a minimum wage for drivers for Uber and other services, and aim to impose regulatory parity with yellow cabs. The vote is considered a major setback for companies like Uber, since NY is the largest USA market for a lot of them .
The Portugal global joined Barcelona from Valencia for an initial €35m two years ago but has struggled to make an impact at the club. Both the club and the player agreed earlier this summer that a fresh start was needed. There's been plenty of names, clubs who have been after him.
The United boss is hoping to sign at least one more top class player today with a centre-back the priority and the Manchester giants have reportedly failed to agree terms for the likes of Harry Maguire, Toby Alderweireld, Jerome Boateng and Yerry Mina in recent weeks.
It might be hard for him to get regular playing time at Chelsea this season, so sending him out on loan makes sense.
"I chose Everton because of all the things I had heard about Marco Silva and after speaking to him I was happy with what he said to me", the midfielder said.