Real, seeking their first cup triumph since 1993, and Barca, the 2009 winners, will meet in the final for the first time since 1990 when Barca won 2-0, also in Valencia.
The match between the two great rivals takes place a few days after the pair meet in Madrid in the league and they could also be drawn to play each other in April's Champions League quarter-finals if they both progress beyond the last 16.
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