The game started at a slow tempo, with neither side really setting the scene alight.
However, Angel Di Maria was a threat for PSG on set-pieces after ten minutes with the French side enjoying a good attacking spell.
Kylian Mbappe had a wonderful opportunity to grab the lead for Thomas Tuchel’s charges in the 25th minute after he was sent through by Neymar but the French youngster struck wide.
Juan Bernat broke the deadlock for the visitors in first half stoppages with a scuffed left-footed strike after he was sent through by Mbappe on the left side of the box, 0-1.
Dries Mertens came close to finding the equaliser for Carlo Ancelotti’s charges troops eight minutes after the break with a deft side-footed chip that was brilliantly tipped over the bar by PSG goalkeeper Gianluigi Buffon.
Lorenzo Insigne got the equaliser for Napoli in the 62nd minute from the penalty spot after Jose Callejon collided with Buffon inside the box.
The two coaches made tactical substitutions in the last quarter of an hour, notably Edinson Cavani coming on for Di Maria to come up against his former club.
Mbappe almost snatched the winner for the French side four minutes before time but he scuffed his shot from close range against the run of play, as the spoils were shared on the night.