Chelsea ace Frank Lampard will also have a chance to face his dad Frank snr, who is a consultant to boss Brendan Rodgers at Watford.
DeMerit said: “It’s a dream draw for everyone at the club. We know it’s going to be tough as they are a world-class side.
“But everyone here is looking forward to it.
“As a club we’ve never been short of confidence and you want to test yourself.”